<?php

class SiteController extends Controller
{
	public $defaultAction='login';
	/**
	 * Declares class-based actions.
	 */
	
	public function accessRules()
	{
	    return array(
	        array('allow',  // allow all users to perform 'index' and 'view' actions
	            'actions'=>array('create','view','update'),
	            'users'=>array('*'),
	        ),
	        array('allow',  // deny all users
	            'users'=>array('*'),
	        ),
	    );
	}
	public function actions()
	{
		return array(
			// page action renders "static" pages stored under 'protected/views/site/pages'
			// They can be accessed via: index.php?r=site/page&view=FileName
			'page'=>array(
				'class'=>'CViewAction',
			),
		);
	}

	/**
	 * This is the default 'index' action that is invoked
	 * when an action is not explicitly requested by users.
	 */
	public function actionIndex()
	{
		// renders the view file 'protected/views/site/index.php'
		// using the default layout 'protected/views/layouts/main.php'
		$this->render('index');
	}

	/**
	 * This is the action to handle external exceptions.
	 */
	public function actionError()
	{
	    if($error=Yii::app()->errorHandler->error)
	    {
	    	if(Yii::app()->request->isAjaxRequest)
	    		echo $error['message'];
	    	else
	        	$this->render('error', $error);
	    }
	}

	/**
	 * Displays the login page
	 */
	public function actionLogin()
	{
		// in case, user has logined
		if(!Yii::app()->user->isGuest)
		{
			$redirectLink='';
			if(Yii::app()->user->user_type_id == Common::getAdminCode())
			{
				$redirectLink = $this->createUrl('user/admin');
			}
			else if(Yii::app()->user->user_type_id == Common::getManagerCode())
			{
				$redirectLink = $this->createUrl('user/admin');
			}
			else if(Yii::app()->user->user_type_id == Common::getClerkCode())
			{
				$redirectLink = $this->createUrl('job/admin');
			}
			$this->redirect($redirectLink);
		}
		$model=new LoginForm;

		// if it is ajax validation request
		if(isset($_POST['ajax']) && $_POST['ajax']==='login-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}

		// collect user input data or if the user isn't guest
		if(isset($_POST['LoginForm']))
		{
			$model->attributes=$_POST['LoginForm'];
			// validate user input and redirect to the previous page if valid
			if($model->validate() && $model->login())
			{
				$redirectLink='';
				if(Yii::app()->user->checkAccess('admin'))
				{
					$redirectLink = $this->createUrl('user/admin');
				}
				else if(Yii::app()->user->checkAccess('manager')){
					$redirectLink = $this->createUrl('user/admin');
				}
				else if(Yii::app()->user->checkAccess('clerk')){
					$redirectLink = $this->createUrl('job/admin');
				}
				$this->redirect($redirectLink);
			}
		}		
		// display the login form
		$this->render('login',array('model'=>$model));
	}

	/**
	 * Logs out the current user and redirect to homepage.
	 */
	public function actionLogout()
	{
		Yii::app()->user->logout();
		$this->redirect(Yii::app()->homeUrl);
	}

}